Techniques of Differentiation - Derivatives of Logarithmic Functions (Non-Natural Base)

Techniques of Differentiation - Derivatives of Logarithmic Functions (Non-Natural Base)

Find the derivative of each of the following w.r.t \(x\):

  1. \(y = \log_{4}(1 - 3x^{2})\)
  2. \(y = \frac{\sin x}{\log_{3}(2x^{2} + 1)}\)
  3. \(\mathrm{f}(x) = \sin x \log_{6}(3 - 2x)\)

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Answer:(a) \(-\frac{6x}{(1-3x^2)\ln4}\) (b) \(\ln3\,\frac{(2x^2+1)\cos x\,\ln(2x^2+1)-4x\sin x}{(2x^2+1)[\ln(2x^2+1)]^2}\) (c) \(\frac{1}{\ln6}[\cos x\,\ln(3-2x)-\frac{2\sin x}{3-2x}]\)

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